rm local vars

GUI/Model/Detector/DetectorItem.cpp

@@ -102,12 +102,8 @@ void DetectorItem::addMasksToCore(IDetector* detector) const
     const QVector<MaskItem*> maskItems = m_maskContainerItem.maskItems();
     for (auto maskIter = maskItems.rbegin(); maskIter != maskItems.rend(); maskIter++)
         if ((*maskIter)->isVisible()) {
-            if (auto* roiItem = dynamic_cast<RegionOfInterestItem*>(*maskIter)) {
-                const double xlow = roiItem->xLow();
-                const double ylow = roiItem->yLow();
-                const double xup = roiItem->xUp();
-                const double yup = roiItem->yUp();
-                detector->setRegionOfInterest(xlow, ylow, xup, yup);
+            if (auto* ii = dynamic_cast<RegionOfInterestItem*>(*maskIter)) {
+                detector->setRegionOfInterest(ii->xLow(), ii->yLow(), ii->xUp(), ii->yUp());
             } else {
                 std::unique_ptr<IShape2D> shape((*maskIter)->createShape());
                 detector->addBinMask(*shape, (*maskIter)->maskValue());